code: def parse_args(self):
      if self.args.config is not None:
          if os.path.exists(self.args.config):
              with open(self.args.config, "r") as fp:
                  # self.args.config = json.load(fp)
                  self.args_config = json.load(fp)
              self.args.use_gpu = self.args_config.get("use_gpu", False)
              self.args.use_multiprocess = self.args_config.get(
                  "use_multiprocess", False
              )
              self.modules_info = self.args_config["modules_info"]
              self.args.port = self.args_config.get("port", 8866)
              if self.args.use_gpu:
                  self.args.gpu = self.args_config.get("gpu", "0")
              else:
                  self.args.gpu = self.args_config.get("gpu", None)
              self.args.use_gpu = self.args_config.get("use_gpu", False)
              if self.args.use_multiprocess:
                  self.args.workers = self.args_config.get(
                      "workers", number_of_workers()
                  )
              else:
                  self.args.workers = self.args_config.get(
                      "workers", None
                  )
          else:
              raise RuntimeError(
                  "{} not exists.".format(self.args.config)
              )
              exit(1)
      else:
          self.modules_info = {}
          for item in self.args.modules:
              version = None
              if "==" in item:
                  module = item.split("==")[0]
                  version = item.split("==")[1]
              else:
                  module = item
              self.modules_info.update(
                  {
                      module: {
                          "init_args": {"version": version},
                          "predict_args": {},
                      }
                  }
              )
      if self.args.gpu:
          self.args.gpu = self.args.gpu.split(",")
  
      return self.modules_info
  
imports: import argparse
  import os
  import platform
  import json
  import multiprocessing
  import time
  import signal
  import paddlehub
  from paddlehub.commands import register
  from paddlehub.serving import app_compat
  from paddlehub.env import CONF_HOME
  from paddlehub.serving.http_server import run_all, StandaloneApplication
  from paddlehub.utils import log
  from paddlehub.utils.utils import is_port_occupied
  from paddlehub.server.server import CacheUpdater
label_desc: Use image node_id 11 for calling the ServingCommand obj's underlying member method code with example usage: obj.parse_args() and returns: self